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Differential capability utilizes real-time RTCM corrections to provide 1-5 meter
precise position accuracy.
FLASH base program memory
3 SPECIFICATION
4
Key Feture
Frequency
L1, 1575.42 MHz
C/A Code 1.023 MHz chip rate
Channels 12
Sensitivity -173 dBW
Non DGPS (Differential GPS)
Position Horizontal 5 to 25 meter CEP, without SA
Velocity 0.1 meter/second, without SA
Time 1 microsecond synchronized GPS time
DGPS (Differential GPS)
Position Horizontal 1 to 5 meter, typical
Velocity 0.05 meter/second, typical
EGNOS/WAAS < 2.2 m, horizontal 95% of time
Datum WGS-84
Performance
Hot start 8 sec., average
Warm start 38 sec., average
Cold start 45 sec., average
Reacquisition 0.1 sec. average
GPS Protocol Default: NMEA 0183 V2.2 (Secondary: SiRF binary)
GPS Output Data SiRF binary >> position, velocity, altitude, status and control ;
NMEA 0183 protocol, and supports command:
GGA, GSA, GSV, RMC, VTG, GLL (VTG and GLL are optional)
GPS transfer rate Software command setting (Default : 4800,n,8,1 for NMEA )
Acceleration Limit Less than 4g
Altitude Limit 18,000 meters (60,000 feet) ma
Velocity Limit 515 meters/sec. (1,000 knots) max.
Jerk Limit 20 meters/second, max
Operating -40
o
C to +85
o
C(internal temperature).